JP2547977Y2 - Joint structure between reinforced concrete columns and steel beams - Google Patents
Joint structure between reinforced concrete columns and steel beamsInfo
- Publication number
- JP2547977Y2 JP2547977Y2 JP5442992U JP5442992U JP2547977Y2 JP 2547977 Y2 JP2547977 Y2 JP 2547977Y2 JP 5442992 U JP5442992 U JP 5442992U JP 5442992 U JP5442992 U JP 5442992U JP 2547977 Y2 JP2547977 Y2 JP 2547977Y2
- Authority
- JP
- Japan
- Prior art keywords
- reinforced concrete
- steel beam
- joint
- joint structure
- concrete column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Joining Of Building Structures In Genera (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は鉄筋コンクリート柱と鉄
骨梁を有する複合構造物の柱・梁接合部の構造に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a column-beam joint structure of a composite structure having a reinforced concrete column and a steel beam.
【０００２】[0002]
【従来技術およびその問題点】事務所ビル、ショッピン
グセンター、倉庫等の建築物には、鉄筋コンクリート柱
と鉄骨梁とからなる構造形式が採用されている。この構
造形式はスパンを長くすることができ、また、施工の合
理化を図ることができる点で優れているが、鉄筋コンク
リートおよび鉄骨という異種構造部材を組み立てるもの
であるから、これらの部材の接合部における応力伝達が
重要な課題となっている。2. Description of the Related Art Structural forms including reinforced concrete columns and steel beams are used in buildings such as office buildings, shopping centers, and warehouses. This type of structure is excellent in that the span can be lengthened and the construction can be rationalized.However, since it is to assemble heterogeneous structural members such as reinforced concrete and steel frame, the joint at these members Stress transmission is an important issue.
【０００３】鉄骨梁が鉄筋コンクリート柱を貫通するタ
イプの接合構造は、鉄骨梁の上下フランジ部近傍のコン
クリートが支圧破壊を起こし易く、接合部の耐力と変形
能が低下する虞がある。そこで、柱・梁によって構成さ
れるパネルゾーン内外に、水平ダイアフラムを設けるこ
とも行われている。[0003] In a joint structure in which a steel beam penetrates a reinforced concrete column, concrete near the upper and lower flanges of the steel beam is liable to cause bearing failure, and there is a possibility that the strength and deformability of the joint decrease. Therefore, horizontal diaphragms are also provided inside and outside the panel zone constituted by columns and beams.
【０００４】例えば、特開平１−２９０８４４号公報に
は、鉄筋コンクリート柱と鉄骨梁とを十分な機械的強度
を保って接合するために、鉄筋コンクリート柱と鉄骨梁
の接合部を鋼板で覆い、この鋼板に鉄骨梁の上下フラン
ジにそれぞれ連結する十文字状の水平ダイアフラムを上
記鋼板から外方に突出して設け、更に、この水平ダイア
フラムにコンクリート充填用穴および柱鉄筋貫通用穴を
設けた接合構造が開示されている。For example, Japanese Patent Application Laid-Open No. 1-290844 discloses that a joint between a reinforced concrete column and a steel beam is covered with a steel plate in order to join the reinforced concrete column and the steel beam while maintaining sufficient mechanical strength. A joint structure in which cross-shaped horizontal diaphragms respectively connected to the upper and lower flanges of a steel beam are provided so as to protrude outward from the steel plate, and furthermore, the horizontal diaphragm is provided with a hole for filling concrete and a hole for penetrating a steel bar is disclosed. ing.
【０００５】この接合構造は接合部を鋼板で覆っている
ので、パネルゾーンにおけるコンクリートの拘束効果が
大きい点で優れているが、接合部を覆う鋼板から水平ダ
イアフラムを突設させるなど、鋼板の加工作業が煩雑と
なるという問題点を有している。また、力学的にも、パ
ネルゾーン内に突設する水平ダイアフラムが引張り降伏
を起こす虞がある。[0005] This joint structure is excellent in that the joint portion is covered with a steel plate, so that the concrete has a large restraint effect in the panel zone. However, the steel plate processing such as projecting a horizontal diaphragm from the steel plate covering the joint portion. There is a problem that the operation becomes complicated. Also, mechanically, the horizontal diaphragm projecting into the panel zone may cause tensile yielding.
【０００６】[0006]
【考案の目的】本考案の目的は、鉄骨梁が鉄筋コンクリ
ート柱を貫通するタイプの接合部において、鉄骨梁の上
下フランジ部近傍のコンクリートが支圧破壊を惹起する
ようなことのない、優れた接合構造を提供することにあ
る。[Object of the invention] The object of the invention is to provide an excellent joint in which a steel beam penetrates a reinforced concrete column without causing concrete bearing near the upper and lower flanges of the steel beam to cause bearing failure. It is to provide a structure.
【０００７】[0007]
【考案の構成】この考案は、鉄骨梁が鉄筋コンクリート
柱を貫通する鉄筋コンクリート柱と鉄骨梁の接合構造に
おいて、該鉄筋コンクリート柱の側面に沿って水平に、
前記鉄骨梁の上下フランジにアングル材またはチャンネ
ル材を固着してなることを特徴とするものである。[Constitution of the invention] This invention is a joint structure of a reinforced concrete column and a steel beam in which a steel beam penetrates the reinforced concrete column.
An angle material or a channel material is fixed to upper and lower flanges of the steel beam.
【０００８】[0008]
【作用】上記接合構造において、鉄骨梁の応力は直接、
鉄筋コンクリート柱に伝達される。このとき、パネルゾ
ーンにおいて、前記鉄骨梁のてこ反力に対してアングル
材またはチャンネル材が効果的に抵抗するので、接合部
コンクリートの支圧破壊を防止する。In the above joint structure, the stress of the steel beam is directly
Transmitted to reinforced concrete columns. At this time, in the panel zone, the angle material or the channel material effectively resists the lever reaction force of the steel beam, thereby preventing the bearing concrete from breaking.
【０００９】[0009]
【実施例】以下、本考案の好適な実施例を図面に基づき
説明する。図１は本考案に係る鉄筋コンクリート柱１０
と鉄骨梁２０の接合部３０の縦断側面図であり、図２と
図３は、それぞれ図１のII−II線およびIII −III 線に
おける切断平面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a reinforced concrete column 10 according to the present invention.
2 and FIG. 3 are cut-away plan views taken along lines II-II and III-III in FIG. 1, respectively.
【００１０】接合部３０において、鉄筋コンクリート柱
１０をＨ形鋼からなる鉄骨梁２０が十字形に貫通してい
る。鉄骨梁２０の上下フランジ２２、２２には、鉄筋コ
ンクリート柱１０の外周面に沿って、アングル材３２が
水平に溶接されている。アングル材３２の長さは鉄骨梁
２０のフランジ幅と等しいか、または、それ以上とす
る。At the joint 30, a steel beam 20 made of H-section steel penetrates the reinforced concrete column 10 in a cross shape. Angle members 32 are horizontally welded to the upper and lower flanges 22 of the steel beam 20 along the outer peripheral surface of the reinforced concrete column 10. The length of the angle member 32 is equal to or longer than the flange width of the steel beam 20.
【００１１】アングル材３２には、座屈を防止するため
に、複数のリブ３４を垂直に補強するのがよい。また、
鉄筋コンクリート柱１０の外周面、鉄骨梁２０の上下フ
ランジ２２、２２間には、スチフナ２４を設けて、接合
部３０の力学的性状を向上させている。アングル材３２
の代わりに、チャンネル材を用いることも可能である。The angle member 32 preferably has a plurality of ribs 34 vertically reinforced to prevent buckling. Also,
A stiffener 24 is provided between the outer peripheral surface of the reinforced concrete column 10 and the upper and lower flanges 22 of the steel beam 20 to improve the mechanical properties of the joint 30. Angle material 32
Alternatively, a channel material can be used.
【００１２】上記接合部３０は、工場においてＨ形鋼を
十字形に溶接した後、アングル材３２を上記所定位置に
溶接して製作する。この接合部３０を現場に搬入し、柱
主筋１２、フープ筋１４および図示してない型枠を建て
込んだ後、当該接合部３０を吊り降ろし、柱頭部にセッ
トした後、コンクリートを打設して、鉄筋コンクリート
柱１０と接合部３０を同時に完成させる。接合部３０の
鉄骨梁２０と、柱１０、１０間に横架される鉄骨梁（図
示せず。）とは、溶接またはボルトにて接合する。The joint 30 is manufactured by welding an H-beam in a cross shape at a factory and then welding an angle member 32 to the predetermined position. After the joint 30 is carried into the site and the column main reinforcement 12, the hoop reinforcement 14, and the formwork (not shown) are built, the joint 30 is lowered and set on the column head, and then concrete is poured. Then, the reinforced concrete column 10 and the joint 30 are completed at the same time. The steel beam 20 of the joint 30 and the steel beam (not shown) that is bridged between the columns 10 and 10 are joined by welding or bolts.
【００１３】上記接合構造において、鉄骨梁２０の曲げ
モーメントにより生じる梁端部の引張り及び圧縮力は、
直接、鉄筋コンクリート柱１０に伝達される。このと
き、パネルゾーンにおいて、鉄骨梁２０のてこ反力に対
してアングル材３２が効果的に抵抗するので、接合部コ
ンクリートの支圧破壊と、はらみ出しを防止する。な
お、上記実施例において、鉄筋コンクリート柱１０はプ
レキャスト製としてもよい。In the above joint structure, the tensile and compressive forces at the beam end caused by the bending moment of the steel beam 20 are:
It is transmitted directly to the reinforced concrete column 10. At this time, in the panel zone, the angle member 32 effectively resists the lever reaction force of the steel beam 20, so that the bearing concrete is prevented from being crushed and spilled out. In the above embodiment, the reinforced concrete columns 10 may be made of precast.
【００１４】[0014]
【考案の効果】本考案は、鉄骨梁が鉄筋コンクリート柱
を貫通するタイプの接合部において、接合部コンクリー
トが支圧破壊やはらみ出しを惹起するようなことのな
い、優れた接合構造を提供することにより、鉄骨梁の応
力を確実に鉄筋コンクリート柱に伝達させることがで
き、接合部に所要の耐力を確保することができる。[Effects of the Invention] The present invention provides an excellent joint structure in which a steel beam penetrates a reinforced concrete column without causing the bearing concrete to cause bearing failure or protrusion in a joint portion where a steel beam penetrates a reinforced concrete column. Thereby, the stress of the steel beam can be reliably transmitted to the reinforced concrete column, and the required strength can be secured at the joint.
【００１５】また、本考案に係る接合構造は簡易な構成
を採用し、接合部の製作、運搬ならびに現場施工が容易
であるという顕著な効果を発揮するものである。Further, the joining structure according to the present invention employs a simple structure, and has a remarkable effect that the production, transportation and on-site construction of the joining portion are easy.
【図１】鉄筋コンクリート柱と鉄骨梁の接合部の縦断側
面図である。FIG. 1 is a longitudinal side view of a joint between a reinforced concrete column and a steel beam.
【図２】図１のII−II線における切断平面図である。FIG. 2 is a sectional plan view taken along line II-II of FIG.
【図３】図１のIII −III 線における切断平面図であ
る。FIG. 3 is a sectional plan view taken along line III-III in FIG. 1;
１０ 鉄筋コンクリート柱 ２０ 鉄骨梁 ２２ フランジ ２４ スチフナ ３０ 接合部 ３２ アングル ３４ リブ DESCRIPTION OF SYMBOLS 10 Reinforced concrete column 20 Steel beam 22 Flange 24 Stiffener 30 Joint 32 Angle 34 Rib
Claims (1)
鉄筋コンクリート柱と鉄骨梁の接合構造において、該鉄
筋コンクリート柱の側面に沿って水平に、前記鉄骨梁の
上下フランジにアングル材またはチャンネル材を固着し
てなることを特徴とする鉄筋コンクリート柱と鉄骨梁の
接合構造。In a joint structure of a reinforced concrete column and a steel beam in which a steel beam penetrates a reinforced concrete column, an angle material or a channel material is fixed to upper and lower flanges of the steel beam horizontally along a side surface of the reinforced concrete column. A joint structure between reinforced concrete columns and steel beams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5442992U JP2547977Y2 (en) | 1992-07-13 | 1992-07-13 | Joint structure between reinforced concrete columns and steel beams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5442992U JP2547977Y2 (en) | 1992-07-13 | 1992-07-13 | Joint structure between reinforced concrete columns and steel beams |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0610402U JPH0610402U (en) | 1994-02-10 |
| JP2547977Y2 true JP2547977Y2 (en) | 1997-09-17 |
Family
ID=12970480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5442992U Expired - Fee Related JP2547977Y2 (en) | 1992-07-13 | 1992-07-13 | Joint structure between reinforced concrete columns and steel beams |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2547977Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6442314B2 (en) * | 2015-02-06 | 2018-12-19 | 鹿島建設株式会社 | Joint structure of reinforced concrete column and steel beam |
-
1992
- 1992-07-13 JP JP5442992U patent/JP2547977Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0610402U (en) | 1994-02-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19970401 |
|
| LAPS | Cancellation because of no payment of annual fees |